On Wed, Aug 15, 2007 at 07:19:57PM +0100, David Howells wrote:
> Herbert Xu <[EMAIL PROTECTED]> wrote:
>
> > Let's turn this around. Can you give a single example where
> > the volatile semantics is needed in a legitimate way?
>
> Accessing H/W registers? But apart from that...
Communicating between process context and interrupt/NMI handlers using
per-CPU variables.
Thanx, Paul
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